12 results
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... • Rheumatic Fever ... Arthritis • Systemic Lupus ... • Rheumatic Fever ... Inflammatory #JointPain #MSK
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
acute rheumatic fever ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup ... #differential #
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
, Fever, No muscle ... Anti-retrovirals, Gemcitabine Lupus ... uncommon 5-15% of lupus ... Myopathies #myopathy #differential ... diagnosis #comparison #rheumatology
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
) Inflammatory joint ... the face (many differential ... 9) Unexplained fever ... diagnosis #sle #clues ... erythematosus #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... • Rheumatic fever ... lesions • Discoid lupus ... #skin #rashes #differential ... #diagnosis #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... • Rheumatic fever ... streptococci (rheumatic fever ... #Diagnosis #MSK ... #rheumatology #
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Framework Bone/Joint ... pain/swelling - Fever ... #Leg #pain #differential ... lower #extremity #msk
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... permanent alopecia Differential ... Arthritis: • Joint ... arthropathy • 90% joints ... to: Arthritis, Fever
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Red Flags: • Fever ... Autoimmune Vasculitis (lupus ... deficiency Work ... • Abdominal ultrasound
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Pain (Otalgia) - Differential ... Temporomandibular joint ... infections (caries, abscess ... , weight loss, fever ... gland tumor Clues